import { Link } from 'react-router-dom'
import { Card, Breadcrumb, Form, Button, Radio, DatePicker, Select, Table, Tag, Space, Popconfirm } from 'antd'
import { EditOutlined, DeleteOutlined } from '@ant-design/icons'
// import 'moment/locale/zh-cn'
import locale from 'antd/es/date-picker/locale/zh_CN'
import { useState, useEffect } from 'react'

import img404 from '@/assets/error.png'
import './index.scss'
import { http, history } from '@/utils'

const { RangePicker } = DatePicker

function Article () {

	const [channels, setChannels] = useState([])

	// 文章列表数据管理
	const [article, setArticleList] = useState({
		list: [],
		count: 0
	})

	// 参数管理
	const [params, setParams] = useState({
		page: 1,
		per_page: 10
	})


	useEffect(() => {
		async function fetchChannels () {
			const res = await http.get('/channels')
			setChannels(res.data.channels.map(item => {
				return {
					label: item.name,
					value: item.id,
					key: Math.random()
				}
			}))
		}
		fetchChannels()
		async function fetchArticleList () {
			const res = await http.get('/mp/articles', { params })
			const { results, total_count } = res.data
			setArticleList({
				list: results,
				count: total_count
			})
		}
		fetchArticleList()
	}, [params])

	// 筛选功能
	const onSearch = values => {
		const { status, channel_id, date } = values
		// 格式化表单数据
		const _params = {}
		// 格式化status
		_params.status = status
		if (channel_id) {
			_params.channel_id = channel_id
		}
		if (date) {
			_params.begin_pubdate = date[0].format('YYYY-MM-DD')
			_params.end_pubdate = date[1].format('YYYY-MM-DD')
		}
		// 修改params参数 触发接口再次发起
		setParams({
			...params,
			..._params
		})
	}

	const pageChange = (page, pageSize) => {
		// 拿到当前页参数 修改params 引起接口更新
		setParams({
			...params,
			page
		})
	}


	const columns = [
		{
			title: '封面',
			dataIndex: 'cover',
			width: 120,
			render: cover => {
				return <img src={cover || img404} width={80} height={60} alt="" />
			}
		},
		{
			title: '标题',
			dataIndex: 'title',
			width: 220
		},
		{
			title: '状态',
			dataIndex: 'status',
			render: data => <Tag color="green">审核通过</Tag>
		},
		{
			title: '发布时间',
			dataIndex: 'pubdate'
		},
		{
			title: '阅读数',
			dataIndex: 'read_count'
		},
		{
			title: '评论数',
			dataIndex: 'comment_count'
		},
		{
			title: '点赞数',
			dataIndex: 'like_count'
		},
		{
			title: '操作',
			render: data => {
				return (
					<Space size="middle">
						<Button
							type="primary"
							shape="circle"
							icon={<EditOutlined />}
							onClick={() => history.push(`/publish?id=${data.id}`)}
						/>
						<Popconfirm
							title="确认删除该条文章吗?"
							onConfirm={() => delArticle(data)}
							okText="确认"
							cancelText="取消"
						>
							<Button
								type="primary"
								danger
								shape="circle"
								icon={<DeleteOutlined />}
							/>
						</Popconfirm>
					</Space>
				)
			}
		}
	]
	// 删除回调
	const delArticle = async (data) => {
		await http.delete(`/mp/articles/${data.id}`)
		// 更新列表
		setParams({
			page: 1,
			per_page: 10
		})
	}

	return (
		<div>
			<Card
				title={
					<Breadcrumb
						items={[
							{ title: <Link to='/'>首页</Link> },
							{ title: '内容管理' }
						]}
					>
					</Breadcrumb>
				}
				style={{ marginBottom: 20 }}
			>
				<Form
					initialValues={{ status: undefined, channelId: undefined }}
					onFinish={onSearch}
				>
					<Form.Item label="状态" name="status">
						<Radio.Group>
							<Radio key="1" value={undefined}>全部</Radio>
							<Radio key="2" value={0}>草稿</Radio>
							<Radio key="3" value={1}>待审核</Radio>
							<Radio key="4" value={2}>审核通过</Radio>
							<Radio key="5" value={3}>审核失败</Radio>
						</Radio.Group>
					</Form.Item>

					<Form.Item label="频道" name="channel_id">
						<Select
							placeholder="请选择文章频道"
							style={{ width: 120 }}
							options={channels}
						>
						</Select>
					</Form.Item>

					<Form.Item label="日期" name="date">
						<RangePicker locale={locale}></RangePicker>
					</Form.Item>

					<Form.Item>
						<Button type="primary" htmlType="submit" style={{ marginLeft: 80 }}>
							筛选
						</Button>
					</Form.Item>
				</Form>

			</Card >
			<Card title={`根据筛选条件共查询到 ${article.count} 条结果：`}>
				<Table
					rowKey="id"
					dataSource={article.list}
					columns={columns}
					pagination={{
						position: ['bottomRight'],
						current: params.page,
						pageSize: params.per_page,
						total: article.count,
						onChange: pageChange,
						showSizeChanger: false
					}}

				/>
			</Card>
		</div >
	)
}

export default Article